﻿#region License
// Copyright 2009 Buu Nguyen (http://www.buunguyen.net/blog)
// 
// Licensed under the Apache License, Version 2.0 (the "License"); 
// you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, 
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// The latest version of this file can be found at http://www.codeplex.com/aspmvcvalidation
#endregion

using System;
using System.Text.RegularExpressions;
using Microsoft.Practices.EnterpriseLibrary.Validation;
using Microsoft.Practices.EnterpriseLibrary.Validation.Validators;

namespace Mvc.Validation.Validators
{
    /// <summary>
    /// Validates a property against a regular expression pattern.  
    /// </summary>
    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
    public sealed class RegularExpressionValidatorAttribute : CustomValidatorAttribute
    {
        /// <summary>
        /// The regular expression pattern used to validate the value.
        /// </summary>
        public string Pattern { get; set;}

        protected override Validator DoCreateValidator(Type targetType)
        {
            return new RegexValidator(Pattern,
                null,
                null,
                RegexOptions.None,
                MessageTemplate,
                Negated);
        }
    }
}
